Anthophyllite and Tanzanite Physical Properties

Anthophyllite

Tanzanite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

2.9-3.5

3.35

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

{110} Perfect, {???} Distinct, {???} Distinct

Perfect {010}, imperfect {100}

1.7 Mohs Hardness

5.5-6

6.5-7

1.8 Chemical Composition

(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Ca₂Al₃(SiO₄)₃(OH)

Anthophyllite and Tanzanite Chemical Formula

While comparing Anthophyllite and Tanzanite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Anthophyllite and Tanzanite chemical formula.

Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)

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Anthophyllite and Tanzanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anthophyllite and Tanzanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anthophyllite and Tanzanite Optical Properties during the identification of gemstone. Specific gravity of Anthophyllite is 3.35 whereas that of Tanzanite is 3.35.